19485010

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5009}}^1$

素因数の和:5405

約数の個数: 16

約数和(自身を含む): 35170200

約数和(自身を除く): 15685190

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 5009, 10018, 25045, 50090, 1948501, 3897002, 9742505, 19485010]

約数ペア:

[(1, 19485010), (2, 9742505), (5, 3897002), (10, 1948501), (389, 50090), (778, 25045), (1945, 10018), (3890, 5009)]